@media screen and (max-width: 800px) {
  .header_div {
    height: 2.85rem;
  }
  .header_div .logo_div {
    display: inline-block;
  }
  .header_div .logo_div img {
    height: 1.5rem;
  }
  .header_div .menu_div {
    float: right;
    width: 1.5rem;
    height: 1.2rem;
    box-shadow: 0 0.1rem 0.4rem #ffffff;
    text-align: center;
  }
  .header_div .menu_div img {
    margin-top: 0.2rem;
    margin-left: 0.03rem;
    width: 0.8rem;
    height: 0.8rem;
  }
  .header_div .user_div {
    display: block;
    font-size: 0.24rem;
    color: #ffffff;
  }
  .header_div .user_div .right {
    float: right;
  }
  .header_div .user_div .user_img {
    vertical-align: middle;
  }
  .header_div .user_div .user_img img {
    width: 1rem;
    height: 1rem;
  }
  .header_div .user_div .user_name {
    margin-top: 0.15rem;
    font-size: 0.6rem;
    margin-right: 0.1rem;
    margin-left: 0.1rem;
  }
  .header_div .user_div .setting_div {
    vertical-align: middle;
  }
  .header_div .user_div .set_div {
    position: absolute;
    display: none;
    width: 3.5rem;
    margin-top: 0.1rem;
    right: 0;
    margin-top: 1.5rem;
  }
  .header_div .user_div .set_div ul li {
    font-size: 0.5rem;
    color: #ffffff;
    height: 1rem;
    line-height: 1rem;
    border-radius: 0.1rem;
    margin-top: 0.05rem;
    text-align: center;
    background-color: #2dc3e8;
  }
}
@media screen and (min-width: 800px) {
  .header_div {
    height: 0.9rem;
  }
  .header_div .logo_div {
    display: inline-block;
  }
  .header_div .logo_div img {
    height: 0.9rem;
  }
  .header_div .menu_div {
    display: none;
  }
  .header_div .user_div {
    float: right;
    font-size: 0.24rem;
    color: #ffffff;
    margin-right: 0.2rem;
    cursor: pointer;
  }
  .header_div .user_div .user_img {
    margin-top: 0.15rem;
  }
  .header_div .user_div .user_img img {
    vertical-align: middle;
    width: 0.65rem;
    height: 0.65rem;
  }
  .header_div .user_div .setting_div {
    vertical-align: middle;
    cursor: pointer;
  }
  .header_div .user_div .setting_div img {
    width: 0.6rem;
    height: 0.54rem;
  }
  .header_div .user_div .set_div {
    position: absolute;
    display: none;
    width: 1.5rem;
    margin-top: 0.1rem;
  }
  .header_div .user_div .set_div ul li {
    color: #ffffff;
    height: 0.4rem;
    line-height: 0.4rem;
    border-radius: 0.1rem;
    margin-top: 0.02rem;
    text-align: center;
    background-color: #2dc3e8;
  }
}
